<!DOCTYPE html>
<html>

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <table align="center" width="337" height="204" border=()>
        <tr>
            <td width="108">用户名</td>
            <td width="213">
                <form name="form1" method="post" action="">
                    <input type="text" name="textfield" onfocus="txtfocus()" onBlur="txtblur()">
                </form>
            </td>
        </tr>
        <tr>
            <td>密码</td>
            <td>
                <form name="form2" method="post" action="">
                    <input type="text" name="textfield2" onfocus="txtfocus()" onBlur="txtblur()">
                </form>
            </td>
        </tr>
        <tr>
            <td>真实姓名</td>
            <td>
                <form name="form3" method="post" action="">
                    <input type="text" name="textfield3" onfocus="txtfocus()" onBlur="txtblur()">
                </form>
            </td>
        </tr>
        <tr>
            <td>性别</td>
            <td>
                <form name="form4" method="post" action="">
                    <input type="text" name="textfield5" onfocus="txtfocus()" onBlur="txtblur()">
                </form>
            </td>
        </tr>
        <tr>
            <td>邮箱</td>
            <td>
                <form name="form5" method="post" action="">
                    <input type="text" name="textfield4" onfocus="txtfocus()" onBlur="txtblur()">
                </form>
            </td>
        </tr>
    </table>
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            obj.style.background = "#FF9966";
        }
        function txtblur(event) {
            var e = window.event;
            var obj = e.srcElement;
            obj.style.background = "#FFFFFF";
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    </script>

</body>

</html>